to either tax them or take them. it's the only reason. and anyone who says that's excessive, president obama says you're an absolutist. >> well, the nra has been unapologetic in its defense of gun rights, of course, fighting even nationally popular controls like background checks and ammunition limits. in fact, the nation's gun extremists out there have hit the panic button in their delusional belief that president obama sits atop a tyrannical government in their delusion to take away guns. joining me dana will bank and former san francisco mayor willie brown. i want to go to mayor brown on this. it just seems to me there are other reasons to have lists of people buying guns, especially semiautomatic rifles, mayor. they have fingerprints on people out there. we don't collect people's hands. this is an absurd lie. of course there are reasons to want to know who buys certain guns. maybe we should have ballistic tests on everything so we have know who kills somebody. your thoughts. are they crazy or smart or both? >> no, i think they're abso